Advanced Regional Jet

1
Advanced Regional Jet

• Darin L. Van Pelt
• AA 241A,B
• 16 March 2006

2
Market Outlook 30-120 Seat Segment

• Revenue Passenger Kilometers (RPK) worldwide
  expected to outpace GDP
• Averaging 5.4
• China, Middle East and Latin America showing most
  significant growth
• China (RPK) 8

3
Mission

• Competitors Bombardier CRJ-900, C-Series and
  Embraer E-Jets
• Market as all luxury cabin
• Wider Seats (20.25)
• Longer Pitch (34)
• Faster (.85 Mach)

4
Baseline DesignAA 241A

• Overview
• Length 110 ft
• Sref 750 ft2
• Span 75 ft
• Cruise Alt 35 000 ft
• MTOW 82 000 lb
• Thrust/Engine 14 500 lb
• Performance
• Range 871 nm
• 2nd Segment Climb 2.7
• T.O. Field Length 8211 ft
• Landing Field Length 4838 ft

5
Optimization Approach

• Baseline Design
• L/D 13.3
• einviscid 0.65
• Optimization
• einviscid
• Aspect Ratio
• Sweep
• Supercritical Airfoil
• Tail volume
• Wing position, Sh/Sref

6
Optimized Design

• Ticket Price 241
• Aircraft Cost 24.4 M

• L/D 16
• einviscid 0.86

7
Planform View
8
Design ChangesIs/Was
9
RJ Comparison

• Best In Class
• Seat Width / Pitch
• Cruise Speed

10
Conclusions

• Through AA 241, we have created a feasible
  Regional Jet
• Will the 30-120 seat market support another
  airplane?
• Continued Work
• Elliptical fuselage
• Advanced Structural Technology
• Optimize span efficiency through twisting and add
  Winglets
• Trade Luxury cabin vs. Ticket and Aircraft Cost
  and Market Edge
• Wing Mounted Engine Study with Conventional Tail